"First heard about it around October or November [2012]. I was literally finishing The Wolverine and dreaming about lasagne, and about three weeks before the end, they told me," he said. "There was no way I was not going to be part of that."

Jackman has completed filming on his second solo outing as the mutant anti-hero, The Wolverine, which is in post-production ahead of its July 26 release.